Calcium antagonist is a widely used antihypertensive drug. It is suitable for elderly hypertension, simple systolic hypertension, carotid intima-media thickening or plaque stable angina pectoris, post-stroke and peripheral vascular diseases. Commonly used long-acting calcium antagonists include: nifedipine controlled-release tablets, nifedipine sustained-release tablets III, amlodipine, levamlodipine, felodipine, lacidipine; Medium-acting calcium antagonist: usually taken twice a day in the morning and evening, commonly used are nitrendipine and nifedipine sustained-release tablets (I, II); Short-acting calcium antagonists include nifedipine, usually 2-3 times per day. The drugs mentioned above are all dihydropyridine calcium antagonists. It can be used for basically all hypertension patients. Adverse reaction Adverse reactions of calcium antagonists: Individual patients will have headache, facial flushing, lower limb edema, palpitation and other adverse reactions. Read More …